<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<script src="../vue.js"></script>

<body>
  <div id="app">
    {{msg}}
  </div>

</body>
<script>
  // 与productionTip一样,并非所有浏览器内核都支持关闭
  Vue.config.silent = true;
  var vm = new Vue({
    el: "#app",
    data: {
      msg: "12312"
    }
  })
</script>

</html>